I've got both, the boiler is really noisy and the hot water cylinder is now leaking !!! and keston only do a one year gaurantee!!!!!!!!!!!
It's disgusting if my install was a new house it would be covered with a ten year NHBC gaurantee
I've installed a few Keston C25s. As has been said, there were early bugs like poor ignition which seems to have been sorted, but otherwise these boilers have performed with few problems. They are a bit noisy, but the flueing system is a big plus if you've got a long or complicated run to negotiate.
I've installed a few Keston C25s. As has been said, there were early bugs like poor ignition which seems to have been sorted, but otherwise these boilers have performed with few problems. They are a bit noisy, but the flueing system is a big plus if you've got a long or complicated run to negotiate.
Used to install these up until last year. Unfortunately Keston have an aloof attitude and my customers have complained to me about them. One customer ended up paying well over £400 in repairs on a boiler that was 12-18 months old.
I only install Viessmann/Atag or Glowworm boilers now as a result. All my old customers who have Keston c25s are either moved or Ive recommended them to go on British Gas service contracts.
The size of flue was always the best selling point to me, but I found that the noise of the boilers seemed to be a direct result of the 50mm flue. The boilers I install now have a 80mm flue. Ok this isn't as small, but the boilers don't have anywhere near the noise of the c25's. Its a shame as I do prefer to support British products, but not if the aftersales service lets it down.
In my experience admittedly mainly on c55's and above they are one of the most unreliable boilers I have the pleasure to work with.
I can think of 3 of them that are installed in a school, only been in 2 1/2 years already changed 3 fan assemblies, 1 heat exchanger and 3 exhaust tubes.
A bank of 3 c55's in a residential home now requires 2 heat exchangers, a control board and 3 exhaust tubes, and only been in 3 years.
They seem to have a terrible habit of eating ignition electrodes every 5-6 months, and the bigger twin units are so cramped you can barely get the electrodes out.
I would look at a broag quinta 45 myself, a much better boiler.
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